PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-04:28:10
G10     259.7          34.7               10.0 +/-    1.30      16.0 +/-    1.30  0.310 / 0.440
G13     45.6           22.8                6.7 +/-    2.11      13.8 +/-    2.11  0.370 / 0.250
G15     67.0           52.5                8.1 +/-    1.44      10.0 +/-    1.44  0.050 / 0.050
G16     288.9          13.7                7.5 +/-    1.89      19.3 +/-    1.89  0.040 / 0.030
G20     285.1          56.8                9.5 +/-    2.23      11.1 +/-    2.23  0.070 / 0.070
G21     350.6          67.5                9.0 +/-    1.15       9.7 +/-    1.15  0.110 / 0.090
G24     125.9          10.1              -10.6 +/-   27.88     -29.5 +/-   27.88  0.170 / 0.310
G26     261.1          11.2                7.6 +/-   21.61      20.6 +/-   21.61  0.150 / 0.430
G27     321.8          11.8               -1.0 +/-   29.20      -2.6 +/-   29.20  0.090 / 0.220
G29     164.5          36.0                9.2 +/-    0.43      14.3 +/-    0.43  0.150 / 0.170